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/Linux-v6.6/Documentation/sound/soc/
Dcodec-to-codec.rst2 Creating codec to codec dai link for ALSA dapm
5 Mostly the flow of audio is always from CPU to codec so your system
9 --------- ---------
11 CPU -------> codec
13 --------- ---------
18 ---------
20 codec-2
22 ---------
24 dai-2
26 ---------- ---------
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Dcodec.rst2 ASoC Codec Class Driver
5 The codec class driver is generic and hardware independent code that configures
6 the codec, FM, MODEM, BT or external DSP to provide audio capture and playback.
11 Each codec class driver *must* provide the following features:-
13 1. Codec DAI and PCM configuration
14 2. Codec control IO - using RegMap API
16 4. Codec audio operations
20 Optionally, codec drivers can also provide:-
24 Its probably best to use this guide in conjunction with the existing codec
27 ASoC Codec driver breakdown
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/Linux-v6.6/sound/pci/hda/
Dpatch_ca0132.c1 // SPDX-License-Identifier: GPL-2.0-or-later
53 #define DMA_OVERLAY_FRAME_SIZE_NWORDS 2
74 #define DESKTOP_EFX_FILE "ctefx-desktop.bin"
75 #define R3DI_EFX_FILE "ctefx-r3di.bin"
83 static const char *const dirstr[2] = { "Playback", "Capture" };
85 #define NUM_OF_OUTPUTS 2
86 static const char *const out_type_str[2] = { "Speakers", "Headphone" };
115 #define VNODES_COUNT (VNODE_END_NID - VNODE_START_NID)
126 #define OUT_EFFECTS_COUNT (OUT_EFFECT_END_NID - OUT_EFFECT_START_NID)
134 #define IN_EFFECTS_COUNT (IN_EFFECT_END_NID - IN_EFFECT_START_NID)
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Dpatch_hdmi.c1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * patch_hdmi.c - routines for HDMI/DisplayPort codecs
6 * Copyright(c) 2008-2010 Intel Corporation. All rights reserved.
78 struct hda_codec *codec; member
82 struct hdmi_pcm *pcm; /* pointer to spec->pcm_rec[n] dynamically*/
83 int pcm_idx; /* which pcm is attached. -1 means no pcm is attached */
90 bool chmap_set; /* channel-map override by ALSA API? */
91 unsigned char chmap[8]; /* ALSA API channel-map */
99 int (*pin_get_eld)(struct hda_codec *codec, hda_nid_t pin_nid,
102 void (*pin_setup_infoframe)(struct hda_codec *codec, hda_nid_t pin_nid,
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Dhda_generic.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Universal Interface for Intel High Definition Audio Codec
32 * snd_hda_gen_spec_init - initialize hda_gen_spec struct
39 snd_array_init(&spec->kctls, sizeof(struct snd_kcontrol_new), 32); in snd_hda_gen_spec_init()
40 snd_array_init(&spec->paths, sizeof(struct nid_path), 8); in snd_hda_gen_spec_init()
41 snd_array_init(&spec->loopback_list, sizeof(struct hda_amp_list), 8); in snd_hda_gen_spec_init()
42 mutex_init(&spec->pcm_mutex); in snd_hda_gen_spec_init()
48 * snd_hda_gen_add_kctl - Add a new kctl_new struct from the template
62 struct snd_kcontrol_new *knew = snd_array_new(&spec->kctls); in snd_hda_gen_add_kctl()
67 knew->name = kstrdup(name, GFP_KERNEL); in snd_hda_gen_add_kctl()
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Dpatch_cirrus.c1 // SPDX-License-Identifier: GPL-2.0-or-later
66 /* Vendor-specific processing widget */
79 * 1 = digital immediate, analog zero-cross
80 * 2 = digtail & analog soft-ramp
81 * 3 = digital soft-ramp, analog zero-cross
85 #define CS_COEF_ADC_LI_SZC_MODE (3 << 0) /* SZC setup for line-in */
86 /* PGA mode: 0 = differential, 1 = signle-ended */
88 #define CS_COEF_ADC_LI_PGA_MODE (1 << 6) /* PGA setup for line-in */
92 * 1 = zero-cross
93 * 2 = soft-ramp
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Dpatch_analog.c1 // SPDX-License-Identifier: GPL-2.0-or-later
6 * Copyright (c) 2005-2007 Takashi Iwai <tiwai@suse.de>
44 ((spec)->beep_amp = HDA_COMPOSE_AMP_VAL(nid, 1, idx, dir)) /* mono */
50 static int create_beep_ctls(struct hda_codec *codec) in create_beep_ctls() argument
52 struct ad198x_spec *spec = codec->spec; in create_beep_ctls()
55 if (!spec->beep_amp) in create_beep_ctls()
58 for (knew = ad_beep_mixer ; knew->name; knew++) { in create_beep_ctls()
61 kctl = snd_ctl_new1(knew, codec); in create_beep_ctls()
63 return -ENOMEM; in create_beep_ctls()
64 kctl->private_value = spec->beep_amp; in create_beep_ctls()
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Dhda_codec.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Universal Interface for Intel High Definition Audio Codec
27 #define codec_in_pm(codec) snd_hdac_is_in_pm(&codec->core) argument
28 #define hda_codec_is_power_on(codec) snd_hdac_is_power_on(&codec->core) argument
29 #define codec_has_epss(codec) \ argument
30 ((codec)->core.power_caps & AC_PWRST_EPSS)
31 #define codec_has_clkstop(codec) \ argument
32 ((codec)->core.power_caps & AC_PWRST_CLKSTOP)
35 * Send and receive a verb - passed to exec_verb override for hdac_device
40 struct hda_codec *codec = container_of(dev, struct hda_codec, core); in codec_exec_verb() local
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Dhda_eld.c1 // SPDX-License-Identifier: GPL-2.0-or-later
21 ELD_VER_CEA_861D = 2,
28 CEA_EDID_VER_CEA861A = 2,
36 "2-reserved",
37 "3-reserved"
43 AUDIO_CODING_TYPE_AC3 = 2,
66 AUDIO_CODING_XTYPE_HE_AAC2 = 2,
74 /* 2 */ "AC-3",
78 /* 6 */ "AAC-LC",
82 /* 10 */ "E-AC-3/DD+ (Dolby Digital Plus)",
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Dpatch_cs8409.c1 // SPDX-License-Identifier: GPL-2.0-or-later
22 static int cs8409_parse_auto_config(struct hda_codec *codec) in cs8409_parse_auto_config() argument
24 struct cs8409_spec *spec = codec->spec; in cs8409_parse_auto_config()
28 err = snd_hda_parse_pin_defcfg(codec, &spec->gen.autocfg, NULL, 0); in cs8409_parse_auto_config()
32 err = snd_hda_gen_parse_auto_config(codec, &spec->gen.autocfg); in cs8409_parse_auto_config()
37 if (spec->gen.dyn_adc_switch) { in cs8409_parse_auto_config()
40 for (i = 0; i < spec->gen.input_mux.num_items; i++) { in cs8409_parse_auto_config()
41 int idx = spec->gen.dyn_adc_idx[i]; in cs8409_parse_auto_config()
45 snd_hda_gen_fix_pin_power(codec, spec->gen.adc_nids[idx]); in cs8409_parse_auto_config()
55 static struct cs8409_spec *cs8409_alloc_spec(struct hda_codec *codec) in cs8409_alloc_spec() argument
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Dhda_beep.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Digital Beep Input Interface for HD-audio codec
26 struct hda_codec *codec = beep->codec; in generate_tone() local
28 if (tone && !beep->playing) { in generate_tone()
29 snd_hda_power_up(codec); in generate_tone()
30 if (beep->power_hook) in generate_tone()
31 beep->power_hook(beep, true); in generate_tone()
32 beep->playing = 1; in generate_tone()
34 snd_hda_codec_write(codec, beep->nid, 0, in generate_tone()
36 if (!tone && beep->playing) { in generate_tone()
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Dpatch_si3054.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Universal Interface for Intel High Definition Audio Codec
5 * HD audio interface patch for Silicon Labs 3054/5 modem codec
7 * Copyright (c) 2005 Sasha Khapyorsky <sashak@alsa-project.org>
24 #define SI3054_EXTENDED_MID 2
63 /* si3054 codec registers (nodes) access macros */
64 #define GET_REG(codec,reg) (snd_hda_codec_read(codec,reg,0,SI3054_VERB_READ_NODE,0)) argument
65 #define SET_REG(codec,reg,val) (snd_hda_codec_write(codec,reg,0,SI3054_VERB_WRITE_NODE,val)) argument
66 #define SET_REG_CACHE(codec,reg,val) \ argument
67 snd_hda_codec_write_cache(codec,reg,0,SI3054_VERB_WRITE_NODE,val)
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/Linux-v6.6/sound/pci/ali5451/
Dali5451.c1 // SPDX-License-Identifier: GPL-2.0-or-later
8 * --
11 * --
21 #include <linux/dma-mapping.h>
141 #define ALI_REG(codec, x) ((codec)->port + x) argument
143 #define MAX_CODECS 2
180 struct snd_ali *codec; member
185 int count; /* runtime->period_size */
187 /* --- */
266 static inline unsigned int snd_ali_5451_peek(struct snd_ali *codec, in snd_ali_5451_peek() argument
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/Linux-v6.6/sound/soc/codecs/
Djz4760.c1 // SPDX-License-Identifier: GPL-2.0
3 // Ingenic JZ4760 CODEC driver
18 #include <sound/soc-dai.h>
19 #include <sound/soc-dapm.h>
72 #define REG_AICR_ADC_SERIAL BIT(2)
87 #define REG_CR3_ADC_INSEL_OFFSET 2
105 #define REG_PMR1_SB_MIC2_OFFSET 2
111 #define REG_PMR2_SB_BTL_OFFSET 2
120 #define REG_ICR_RDO_MASK BIT(2)
129 #define REG_IFR_RDO BIT(2)
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Djz4770.c1 // SPDX-License-Identifier: GPL-2.0
3 // Ingenic JZ4770 CODEC driver
17 #include <sound/soc-dai.h>
18 #include <sound/soc-dapm.h>
149 #define REG_IMR_RDO_MASK BIT(2)
158 #define REG_IFR_RDO BIT(2)
177 /* codec private data */
185 static int jz4770_codec_set_bias_level(struct snd_soc_component *codec, in jz4770_codec_set_bias_level() argument
188 struct jz_codec *jz_codec = snd_soc_component_get_drvdata(codec); in jz4770_codec_set_bias_level()
189 struct regmap *regmap = jz_codec->regmap; in jz4770_codec_set_bias_level()
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/Linux-v6.6/Documentation/devicetree/bindings/pinctrl/
Dcirrus,lochnagar.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - patches@opensource.cirrus.com
14 Smart CODEC and Amp devices. It allows the connection of most Cirrus
15 Logic devices on mini-cards, as well as allowing connection of various
26 [2] Pinctrl: ../pinctrl/pinctrl-bindings.txt
29 [3] include/dt-bindings/pinctrl/lochnagar.h
37 - cirrus,lochnagar-pinctrl
39 gpio-controller: true
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/Linux-v6.6/sound/soc/ti/
Dj721e-evm.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2020 Texas Instruments Incorporated - http://www.ti.com
17 #include "davinci-mcasp.h"
21 * CPB: 2 (mcasp10 + codec)
22 * IVI: 3 (mcasp0 + 2x codec)
50 unsigned int pll_rates[2];
61 struct clk *parent[2];
65 struct j721e_audio_clocks codec; member
81 u32 pll_rates[2];
82 unsigned int hsdiv_rates[2];
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/Linux-v6.6/drivers/staging/media/sunxi/cedrus/
Dcedrus_h264.c1 // SPDX-License-Identifier: GPL-2.0-or-later
12 #include <media/videobuf2-dma-contig.h>
51 cedrus_write(dev, VE_AVC_SRAM_PORT_OFFSET, off << 2); in cedrus_h264_write_sram()
53 while (count--) in cedrus_h264_write_sram()
60 dma_addr_t addr = buf->codec.h264.mv_col_buf_dma; in cedrus_h264_mv_col_buf_addr()
63 addr += field * buf->codec.h264.mv_col_buf_size / 2; in cedrus_h264_mv_col_buf_addr()
74 struct vb2_buffer *vbuf = &buf->m2m_buf.vb.vb2_buf; in cedrus_fill_ref_pic()
76 pic->top_field_order_cnt = cpu_to_le32(top_field_order_cnt); in cedrus_fill_ref_pic()
77 pic->bottom_field_order_cnt = cpu_to_le32(bottom_field_order_cnt); in cedrus_fill_ref_pic()
78 pic->frame_info = cpu_to_le32(buf->codec.h264.pic_type << 8); in cedrus_fill_ref_pic()
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/Linux-v6.6/sound/soc/generic/
Dsimple-card.c1 // SPDX-License-Identifier: GPL-2.0
16 #include <sound/soc-dai.h>
21 #define DAI "sound-dai"
22 #define CELL "#sound-dai-cells"
23 #define PREFIX "simple-audio-card,"
41 * Get node via "sound-dai = <&phandle port>" in asoc_simple_parse_platform()
50 dlc->of_node = args.np; in asoc_simple_parse_platform()
68 * Get node via "sound-dai = <&phandle port>" in asoc_simple_parse_dai()
80 dlc->dai_name = snd_soc_dai_name_get(dai); in asoc_simple_parse_dai()
81 dlc->dai_args = snd_soc_copy_dai_args(dev, &args); in asoc_simple_parse_dai()
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/Linux-v6.6/Documentation/devicetree/bindings/sound/
Dti,j721e-cpb-ivi-audio.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
5 ---
6 $id: http://devicetree.org/schemas/sound/ti,j721e-cpb-ivi-audio.yaml#
7 $schema: http://devicetree.org/meta-schemas/core.yaml#
12 - Peter Ujfalusi <peter.ujfalusi@gmail.com>
17 sound/ti,j721e-cpb-audio.txt
31 PLL4 ---> PLL4_HSDIV0 ---> MCASP10_AUXCLK ---> McASP10.auxclk
32 | |-> MCASP0_AUXCLK ---> McASP0.auxclk
34 |-> PLL4_HSDIV2 ---> AUDIO_REFCLK2 ---> pcm3168a.SCKI
35 |-> AUDIO_REFCLK0 ---> pcm3168a_a/b.SCKI
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Ddavinci-evm-audio.txt1 * Texas Instruments SoC audio setups with TLV320AIC3X Codec
4 - compatible : "ti,da830-evm-audio" : forDM365/DA8xx/OMAPL1x/AM33xx
5 - ti,model : The user-visible name of this sound complex.
6 - ti,audio-codec : The phandle of the TLV320AIC3x audio codec
7 - ti,mcasp-controller : The phandle of the McASP controller
8 - ti,audio-routing : A list of the connections between audio components.
11 sinks are the codec's pins, and the jacks on the board:
14 - ti,codec-clock-rate : The Codec Clock rate (in Hz) applied to the Codec.
15 - clocks : Reference to the master clock
16 - clock-names : The clock should be named "mclk"
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/Linux-v6.6/Documentation/sound/hd-audio/
Dnotes.rst2 More Notes on HD-Audio Driver
11 HD-audio is the new standard on-board audio component on modern PCs
12 after AC97. Although Linux has been supporting HD-audio since long
15 This document explains the brief trouble-shooting and debugging
16 methods for the HD-audio hardware.
18 The HD-audio component consists of two parts: the controller chip and
19 the codec chips on the HD-audio bus. Linux provides a single driver
20 for all controllers, snd-hda-intel. Although the driver name contains
21 a word of a well-known hardware vendor, it's not specific to it but for
22 all controller chips by other companies. Since the HD-audio
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/Linux-v6.6/sound/aoa/codecs/
Donyx.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Apple Onboard Audio driver for Onyx codec
7 * This is a driver for the pcm3052 codec chip (codenamed Onyx)
10 * The Onyx codec has the following connections (listed by the bit
14 * 2: line input
24 * But snd-aoa assumes that there's at most one card, so
36 MODULE_DESCRIPTION("pcm3052 (onyx) codec driver for snd-aoa");
43 #define PFX "snd-aoa-codec-onyx: "
46 /* cache registers 65 to 80, they are write-only! */
49 struct aoa_codec codec; member
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Dtas.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Apple Onboard Audio driver for tas codec
8 * - How to distinguish between 3004 and versions?
11 * - This codec driver doesn't honour the 'connected'
15 * - Driver assumes that the microphone is always
17 * the input. This should also be a codec-dependent
18 * flag, maybe the codec should have 3 different
23 * - As Apple notes in their code, the tas3004 seems
36 * - this should actually register *two* aoa_codec
49 * codec to refine the transfer_info items in the
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/Linux-v6.6/sound/hda/
Dhdac_device.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * HD-audio codec core device
18 static void setup_fg_nodes(struct hdac_device *codec);
19 static int get_codec_vendor_name(struct hdac_device *codec);
27 * snd_hdac_device_init - initialize the HD-audio codec base device
28 * @codec: device to initialize
31 * @addr: codec address
40 int snd_hdac_device_init(struct hdac_device *codec, struct hdac_bus *bus, in snd_hdac_device_init() argument
47 dev = &codec->dev; in snd_hdac_device_init()
49 dev->parent = bus->dev; in snd_hdac_device_init()
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